Radioactive Decay Problems In Physics -Multiple Choice Questions Quiz

Interactive MCQs on “Radioactive Decay Problems In Physics”:

Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1: What is the process by which an unstable atomic nucleus loses energy by emitting radiation?

(a) Nuclear fusion
(b) Nuclear fission
(c) Radioactive decay
(d) Electron capture

Question 2: The radioactive isotope Carbon-14 is used for which of the following purposes?

(a) Medical imaging
(b) Radioactive dating of artifacts
(c) Nuclear power generation
(d) Food preservation

Question 3: Which type of radioactive decay involves the emission of a high-energy photon?

(a) Alpha decay
(b) Beta decay
(c) Gamma decay
(d) Electron capture

Question 4: A radioactive substance has a half-life of 10 days. If the initial amount of the substance is 100 grams, how much will remain after 30 days?

(a) 12.5 grams
(b) 25 grams
(c) 50 grams
(d) 75 grams

Question 5: Which type of radioactive decay involves the emission of an electron from the nucleus?

(a) Alpha decay
(b) Beta decay
(c) Gamma decay
(d) Electron capture

Question 6: The decay of Uranium-238 to Thorium-234 involves a series of alpha and beta decays. What is this series called?

(a) Rutherford decay series
(b) Bohr decay series
(c) Uranium decay series
(d) Uranium-238 decay chain

Question 7: What is the half-life of a radioactive substance if 25% of the original sample remains after 20 days?

(a) 5 days
(b) 10 days
(c) 20 days
(d) 40 days

Question 8: Which of the following statements is correct regarding the relationship between half-life and radioactive decay?

(a) A longer half-life corresponds to faster decay.
(b) A longer half-life corresponds to slower decay.
(c) Half-life is not related to the rate of radioactive decay.
(d) Half-life is inversely proportional to the initial activity of the substance.

Question 9: Which of the following isotopes is commonly used in nuclear power plants for nuclear fission?

(a) Uranium-238
(b) Uranium-235
(c) Thorium-232
(d) Plutonium-244

Question 10: Which type of radioactive decay involves the emission of a helium nucleus?

(a) Alpha decay
(b) Beta decay
(c) Gamma decay
(d) Electron capture